TY - JOUR T1 - On the Occurrence of the Element Gallium in the Clay-Ironstone of the Cleveland District of Yorkshire. Preliminary Notice JF - Proceedings of the Royal Society of London (1854-1905) VL - 60 SP - 35 EP - 37 PY - 1896/01/01/ UR - http://dx.doi.org/10.1098/rspl.1896.0010 M3 - doi:10.1098/rspl.1896.0010 AU - Hartley, W. AU - Ramage, H. ER -